The following characters, groups and locations (CGLs) have been marked as Open by their creator. This means that you may not only use them freely in your story, but you can even drastically modify them for your own needs as long as you stay consistent with existing canon.

Most other TTU characters, groups and locations are also available for your use, but you may need to ask permission from their original creator and/or follow writing guidelines they've set. See "AvailabilityCategories" for more information.